diff --git a/.gitignore b/.gitignore
index 4c28f20d..18a056fc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,12 @@ npm-debug.log
 /dist/
 /lib/
 .sfdx/
+
+# Added by Illuminated Cloud
+.localdev/
+/IlluminatedCloud/
+/out/
+target/
+/.illuminatedCloud/
+**/tsconfig*.json
+**/*.tsbuildinfo
\ No newline at end of file
diff --git a/.idea/apexdocs.iml b/.idea/apexdocs.iml
index 953fab95..231d18d7 100644
--- a/.idea/apexdocs.iml
+++ b/.idea/apexdocs.iml
@@ -38,5 +38,6 @@
       <excludeFolder url="file://$MODULE_DIR$/coverage" />
     </content>
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="apexdocs/lwc_types" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/README.md b/README.md
index 1b683a41..7f0ed99e 100644
--- a/README.md
+++ b/README.md
@@ -463,6 +463,39 @@ Allows changing the frontmatter and content of the changelog page.
 type TransformChangeLogPage = (
   changelog: ChangeLogPageData,
 ) => Partial<ChangeLogPageData> | Promise<Partial<ChangeLogPageData>>
+
+// Supporting types
+
+type ChangeLogPageData = {
+  source: SourceChangelog;
+  frontmatter: string | Record<string, any>;
+  content: string;
+  outputDocPath: string;
+};
+
+type SourceChangelog = {
+  fileChanges: FileChange[];
+};
+
+type FileChange = {
+  name: string;
+  fileType: 'apex' | 'customobject';
+  changeType: 'added' | 'removed' | 'changed';
+  changes?: {
+    addedMethods?: string[];
+    removedMethods?: string[];
+    addedFields?: string[];
+    removedFields?: string[];
+    addedProperties?: string[];
+    removedProperties?: string[];
+    addedCustomFields?: string[];
+    removedCustomFields?: string[];
+    addedSubtypes?: string[];
+    removedSubtypes?: string[];
+    addedEnumValues?: string[];
+    removedEnumValues?: string[];
+  };
+};
 ```
 
 Example
diff --git a/package-lock.json b/package-lock.json
index b0db8aca..57df2ebb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@cparra/apexdocs",
-  "version": "3.5.1",
+  "version": "3.7.2-alpha.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@cparra/apexdocs",
-      "version": "3.5.1",
+      "version": "3.7.2-alpha.0",
       "license": "MIT",
       "dependencies": {
         "@cparra/apex-reflection": "2.16.0",
diff --git a/package.json b/package.json
index 4893cd04..9928cf98 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cparra/apexdocs",
-  "version": "3.6.0",
+  "version": "3.7.0",
   "description": "Library with CLI capabilities to generate documentation for Salesforce Apex classes.",
   "keywords": [
     "apex",
diff --git a/src/core/changelog/generate-change-log.ts b/src/core/changelog/generate-change-log.ts
index a19564d5..a11d7daa 100644
--- a/src/core/changelog/generate-change-log.ts
+++ b/src/core/changelog/generate-change-log.ts
@@ -24,6 +24,7 @@ import { Type } from '@cparra/apex-reflection';
 import { filterApexSourceFiles, filterCustomObjectsAndFields } from '#utils/source-bundle-utils';
 import { CustomFieldMetadata } from '../reflection/sobject/reflect-custom-field-source';
 import { hookableTemplate } from '../markdown/templates/hookable';
+import changelogToSourceChangelog from './helpers/changelog-to-source-changelog';
 
 type Config = Omit<UserDefinedChangelogConfig, 'targetGenerator'>;
 
@@ -38,7 +39,9 @@ export function generateChangeLog(
     if (config.skipIfNoChanges && !hasChanges(changelog)) {
       return skip();
     }
-    return pipe(convertToRenderableChangelog(changelog, newManifest.types), compile, convertToPageData);
+    return pipe(convertToRenderableChangelog(changelog, newManifest.types), compile, (content) =>
+      convertToPageData(content, changelog),
+    );
   }
 
   return pipe(
@@ -106,8 +109,9 @@ function compile(renderable: RenderableChangelog): string {
   return Template.getInstance().compile(compilationRequest);
 }
 
-function toPageData(fileName: string, content: string): ChangeLogPageData {
+function toPageData(fileName: string, content: string, changelog: Changelog): ChangeLogPageData {
   return {
+    source: changelogToSourceChangelog(changelog),
     frontmatter: null,
     content,
     outputDocPath: `${fileName}.md`,
diff --git a/src/core/changelog/helpers/changelog-to-source-changelog.ts b/src/core/changelog/helpers/changelog-to-source-changelog.ts
new file mode 100644
index 00000000..2da4d4a9
--- /dev/null
+++ b/src/core/changelog/helpers/changelog-to-source-changelog.ts
@@ -0,0 +1,103 @@
+import { Changelog } from '../process-changelog';
+import { FileChange, SourceChangelog } from '../../shared/types';
+
+/**
+ * Converts a Changelog to a SourceChangelog, which is a version of a Changelog that is exposed through the hook.
+ * We have this conversion to avoid exposing the internal Changelog structure to the hook.
+ * @param changelog The Changelog to convert.
+ * @returns The SourceChangelog.
+ */
+export default function (changelog: Changelog): SourceChangelog {
+  const newApexTypes = changelog.newApexTypes.map<FileChange>((newType) => {
+    return {
+      name: newType,
+      fileType: 'apex',
+      changeType: 'added',
+    };
+  });
+
+  const removedApexTypes = changelog.removedApexTypes.map<FileChange>((removedType) => {
+    return {
+      name: removedType,
+      fileType: 'apex',
+      changeType: 'removed',
+    };
+  });
+
+  const newCustomObjects = changelog.newCustomObjects.map<FileChange>((newType) => {
+    return {
+      name: newType,
+      fileType: 'customobject',
+      changeType: 'added',
+    };
+  });
+
+  const removedCustomObjects = changelog.removedCustomObjects.map<FileChange>((removedType) => {
+    return {
+      name: removedType,
+      fileType: 'customobject',
+      changeType: 'removed',
+    };
+  });
+
+  const modifiedApexTypes = changelog.newOrModifiedApexMembers.map<FileChange>((modifiedType) => {
+    return {
+      name: modifiedType.typeName,
+      fileType: 'apex',
+      changeType: 'changed',
+      changes: {
+        addedMethods: modifiedType.modifications.filter((mod) => mod.__typename === 'NewMethod').map((mod) => mod.name),
+        removedMethods: modifiedType.modifications
+          .filter((mod) => mod.__typename === 'RemovedMethod')
+          .map((mod) => mod.name),
+        addedFields: modifiedType.modifications.filter((mod) => mod.__typename === 'NewField').map((mod) => mod.name),
+        removedFields: modifiedType.modifications
+          .filter((mod) => mod.__typename === 'RemovedField')
+          .map((mod) => mod.name),
+        addedProperties: modifiedType.modifications
+          .filter((mod) => mod.__typename === 'NewProperty')
+          .map((mod) => mod.name),
+        removedProperties: modifiedType.modifications
+          .filter((mod) => mod.__typename === 'RemovedProperty')
+          .map((mod) => mod.name),
+        addedSubtypes: modifiedType.modifications.filter((mod) => mod.__typename === 'NewType').map((mod) => mod.name),
+        removedSubtypes: modifiedType.modifications
+          .filter((mod) => mod.__typename === 'RemovedType')
+          .map((mod) => mod.name),
+        addedEnumValues: modifiedType.modifications
+          .filter((mod) => mod.__typename === 'NewEnumValue')
+          .map((mod) => mod.name),
+        removedEnumValues: modifiedType.modifications
+          .filter((mod) => mod.__typename === 'RemovedEnumValue')
+          .map((mod) => mod.name),
+      },
+    };
+  });
+
+  const modifiedCustomObjects = changelog.customObjectModifications.map<FileChange>((modifiedType) => {
+    return {
+      name: modifiedType.typeName,
+      fileType: 'customobject',
+      changeType: 'changed',
+      changes: {
+        addedCustomFields: modifiedType.modifications
+          .filter((mod) => mod.__typename === 'NewField')
+          .map((mod) => mod.name),
+        removedCustomFields: modifiedType.modifications
+          .filter((mod) => mod.__typename === 'RemovedField')
+          .map((mod) => mod.name),
+      },
+    };
+  });
+
+  return {
+    fileChanges: [
+      ...newApexTypes,
+      ...removedApexTypes,
+      ...newCustomObjects,
+      ...removedCustomObjects,
+      ...modifiedApexTypes,
+      ...modifiedCustomObjects,
+    ],
+  };
+}
diff --git a/src/core/reflection/sobject/parse-picklist-values.ts b/src/core/reflection/sobject/parse-picklist-values.ts
index 1316b752..c9a47dfb 100644
--- a/src/core/reflection/sobject/parse-picklist-values.ts
+++ b/src/core/reflection/sobject/parse-picklist-values.ts
@@ -22,8 +22,8 @@ function toPickListValues(customField: MaybeTyped): string[] | undefined {
     if ('valueSetDefinition' in valueSet) {
       const valueSetDefinition = valueSet.valueSetDefinition as object;
       if ('value' in valueSetDefinition) {
-        const pickListValues = valueSetDefinition.value as object[];
-        return pickListValues.filter((each) => 'fullName' in each).map((each) => each.fullName as string);
+        const pickListValues = valueSetDefinition.value as Record<'fullName', string>[];
+        return pickListValues.filter((each) => 'fullName' in each).map((current) => current.fullName);
       }
     }
   }
diff --git a/src/core/shared/types.d.ts b/src/core/shared/types.d.ts
index 70c7c1fd..0e3157db 100644
--- a/src/core/shared/types.d.ts
+++ b/src/core/shared/types.d.ts
@@ -143,7 +143,32 @@ export type DocPageData = {
 
 export type OpenApiPageData = Omit<DocPageData, 'source' | 'type'>;
 
+export type FileChange = {
+  name: string;
+  fileType: 'apex' | 'customobject';
+  changeType: 'added' | 'removed' | 'changed';
+  changes?: {
+    addedMethods?: string[];
+    removedMethods?: string[];
+    addedFields?: string[];
+    removedFields?: string[];
+    addedProperties?: string[];
+    removedProperties?: string[];
+    addedCustomFields?: string[];
+    removedCustomFields?: string[];
+    addedSubtypes?: string[];
+    removedSubtypes?: string[];
+    addedEnumValues?: string[];
+    removedEnumValues?: string[];
+  };
+};
+
+export type SourceChangelog = {
+  fileChanges: FileChange[];
+};
+
 export type ChangeLogPageData = {
+  source: SourceChangelog;
   frontmatter: Frontmatter;
   content: string;
   outputDocPath: string;
diff --git a/src/index.ts b/src/index.ts
index ed38ae86..557aa5a4 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -6,6 +6,7 @@ import type {
   DocPageData,
   DocPageReference,
   ChangeLogPageData,
+  SourceChangelog,
   ConfigurableDocPageData,
   TransformReferenceGuide,
   TransformDocs,
@@ -79,6 +80,7 @@ export {
   ReferenceGuidePageData,
   DocPageData,
   ChangeLogPageData,
+  SourceChangelog,
   DocPageReference,
   Skip,
   ConfigurableDocPageData,